body {
    overflow-x: hidden;
}

header {
    width: 100%;
    height: 50px;
    background-color: rgb(52, 58, 64);
}

#top {
    margin-left: 100px;
    padding-top: 7px;
}

#logo {
    font-size: 25px;
    color: whitesmoke;
    margin-right: 100px;
}

span a {
    margin-left: 50px;
    color: whitesmoke;
}

span a:hover {
    text-decoration: none;
}

li {

    font-size: 13px;
    color: #7f7f7f;

}

li:hover {
    cursor:pointer;
    color: rgb(52, 58, 64);
}

#newsAndCourses {
    margin-top: 50px;
    margin-bottom: 50px;

}

#news,
#newCourses,
#hotCourses {
    height: 100px;
    width: 400px;
    display: inline-block;
}

#news {
    margin-left: 50px;
}

.newsTitle {
    width: 200px;
    height: 20px;
    float: left;
    overflow: hidden;   /*隐藏一处内容*/
    text-overflow: ellipsis;    /*文字溢出显示省略号*/
    white-space: nowrap;    /*禁止文字这行*/
}

.time {
    width: 100px;
    float: right;
}

.topic {
    color: black;
}

hr {
    width: 350px;
    height: 2px;
    border: 0;
    background-image: linear-gradient(to right, black, rgb(245, 245, 245));
    margin-bottom: 10px;
}

.gdt {
   /* overflow: hidden;*/
}

/*祖元素*/
.grandfather {
    width: 340px;
    height: 300px;
    overflow: hidden;
}

/*父元素*/
.father {
    width: 358px;
    height: 300px;
    overflow-y: scroll;
}



.course {
    padding: 20px;
    clear: both;
}

.coursePic {
    float: left;
    margin-right: 10px;


}

.courseImg {
    max-height: 125px;
    max-width: 200px;
    margin: 0 auto  ;
}

.courseInfo {
    font-weight: bold;
    font-size: 15px;
    padding-top: 10px;
}

[v-cloak] {
    display: none;
}




/*轮播图*/
@keyframes load {0% {width:0%;} 100% {width:100%;}}
.trent-slider {width:100%;position:relative;overflow:hidden;}
.t-slide {position:absolute;left:0;right:0;bottom:0;top:0;transition:.65s;}
.t-slide img {width:100%;height:100%;}
.t-slider-controls {position:absolute;top:0;bottom:0;left:0;right:0;}
.t-slider-controls .arrow {min-height:100%;width:50px;position:relative;transition:.25s;}
.t-slider-controls .arrow:hover {cursor:pointer;}
.t-slider-controls .right-arrow {float:right;} .t-slider-controls .left-arrow {float:left;}
.t-slider-controls .arrow .arrow-container {position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:20px;}
.t-slider-controls .arrow .arrow-container .arrow-icon {position:relative;width:42px;height:42px;color:#fafafa;border-radius:50%;}
.t-slider-controls .arrow .arrow-container .arrow-icon i {position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);}
.t-slider-controls .t-load-bar {width:100%;height:5px;}
.t-slider-controls .t-load-bar .inner-load-bar {background:rgba(200,200,200,0.65);height:100%;}
.t-slider-controls .t-dots-container {position:absolute;bottom:0;left:50%;transform:translateX(-50%);height:20px;min-width:350px;}
.t-slider-controls .t-slide-dots-wrap {height:100%;width:100%;position:relative;}
.t-slider-controls .t-slide-dots {position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:table;content:"";clear:both;}
.t-slider-controls .t-slide-dots .t-dot {background:#fafafa;width:8px;height:8px;margin:5px;float:left;border-radius:50%;transition:.65s;}
.t-slider-controls .t-slide-dots .t-dot.current-dot,.t-slider-controls .t-slide-dots .t-dot:hover {transform:scale(1.65);cursor:pointer;}
/*close slider css*/
@media screen and (min-width:768px) {.t-slider-controls .arrow:hover {background:rgba(0,0,0,0.32);}}